CN101723050A - Bicycle rear derailleur - Google Patents
Bicycle rear derailleur Download PDFInfo
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- CN101723050A CN101723050A CN200910204655A CN200910204655A CN101723050A CN 101723050 A CN101723050 A CN 101723050A CN 200910204655 A CN200910204655 A CN 200910204655A CN 200910204655 A CN200910204655 A CN 200910204655A CN 101723050 A CN101723050 A CN 101723050A
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- guide plate
- chain guides
- opening
- transom
- guide plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
- B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
- B62M9/121—Rear derailleurs
- B62M9/126—Chain guides; Mounting thereof
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
A bicycle rear derailleur is basically provided with a base member, a movable member and a moving mechanism. The movable member pivotally supports a chain guide. The moving mechanism is coupled between the base member and the movable member so that the movable member is movable relative to the base member. The chain guide includes a first guide plate, a second guide plate, a guide pulley rotatably disposed between the first and second guide plates and a tension pulley rotatably disposed between the first and second guide plates. The first and second guide plates are releasably coupled together by a tool-less connection.
Description
Technical field
Present invention relates in general to bicycle derailleur.More specifically, the present invention relates to the chain guides of bicycle derailleur.
Background technology
Become popular leisure mode and transportation mode by bike day by day.And, for amateur and professional, become popular competitive sport by bike.No matter bicycle is used for leisure, transportation or contest, and the bicycle industry is all constantly being improved the various parts of bicycle.The light as far as possible bicycle assembly parts (for example, rear derailleur) of expectation bicycle trade manufacturing.Yet, be difficult under the situation of the durability that does not reduce bicycle assembly parts, alleviate the weight of bicycle assembly parts usually.
Parts that redesigned significantly with expendable weight are bicycle derailleurs.Usually, rear derailleur has base component and movable part, and described movable part has the chain guides, and described chain guides is connected to base component versatilely via connecting rod assembly (for example, travel mechanism).Base component utilizes bolted connection usually to the Vee formation of cycle frame, and bolt forms the B axle so that the limited rotation with respect to cycle frame to be provided.The chain guides generally includes a pair of guide plate, and this rotatably supports leading sheave and tensioner between guide plate to guide plate.The chain guides utilizes axle to be connected to movable part usually, and axle forms the P axle so that the limited rotation of chain guides with respect to movable part to be provided.Connecting rod assembly generally includes a pair of pivot links, and this is pivotably connected to base component and movable part to pivot links.Spring makes the chain guides to respect to back sprocket wheel penetralia or outermost position bias voltage usually.Bowden type control cable with oversheath and interior lines is connected between rear derailleur and the conventional shift controller usually.Therefore, can pass through via interior lines mobile link assembly at side travel chain guides.The pulling interior lines make the chain guides overcome spring bias and move, and cause the chain guides owing to the biasing force of spring moves and discharge interior lines.
In view of mentioned above, those skilled in the art should be understood that from disclosure, still exist for the needs that improve bicycle derailleur.The present invention solves this needs and other needs in this area, and by present disclosure, these will become apparent for those skilled in the art.
Summary of the invention
One object of the present invention is to provide a kind of chain guides that is used for bicycle derailleur, its relative lightweight, but do not sacrifice intensity.
Another object of the present invention is to provide a kind of chain guides with the bicycle derailleur that improves rigidity.
Basically by providing a kind of bicycle derailleur of base component, movable part and travel mechanism that comprises to reach aforementioned purpose.Described movable part is the support chains guides pivotly.Described travel mechanism is connected between described base component and the movable part, makes described movable part to move with respect to described base component.Described chain guides comprises first guide plate, second guide plate, can be rotatably set in the leading sheave between described first and second guide plates and can be rotatably set in tension pulley block between described first and second guide plates.Described first and second guide plates link together releasedly by exempting from tool connection (tool-less connection).
By detailed description hereinafter, these and other objects of the present invention, characteristics, aspect and advantage it will be apparent to those skilled in the art that detailed description hereinafter discloses the preferred embodiments of the present invention in conjunction with the accompanying drawings.
Description of drawings
Now referring to accompanying drawing, accompanying drawing forms the part of the original disclosure of the present invention:
Fig. 1 is the outside elevation view that the bicycle rear portion of rear derailleur is installed according to first embodiment;
Fig. 2 is the amplification backsight elevation view according to the rear derailleur shown in Figure 1 of first embodiment;
Fig. 3 is the amplification local exterior elevation view according to the bottom of the chain guides of the rear derailleur shown in Figure 1 of first embodiment;
Fig. 4 is the transparent view according to the bottom of the chain guides shown in Figure 3 of first embodiment;
Fig. 5 is the decomposition diagram according to the bottom of the chain guides shown in Fig. 3 of first embodiment and 4;
Fig. 6 shows the pair of outer elevation view of assembling according to the bottom of the chain guides shown in Fig. 3-5 of first embodiment;
Fig. 7 is the local exterior's elevation view according to the bottom of the optional chain guides that is used for rear derailleur shown in Figure 1 of second embodiment;
Fig. 8 is the transparent view according to the bottom of the chain guides shown in Figure 7 of second embodiment;
Fig. 9 is the decomposition diagram according to the bottom of the chain guides shown in Fig. 7 of second embodiment and 8;
Figure 10 is the amplification local exterior elevation view according to the bottom of the chain guides of the rear derailleur shown in Figure 1 of the 3rd embodiment;
Figure 11 is the transparent view according to the bottom of the chain guides shown in Figure 10 of the 3rd embodiment;
Figure 12 is the decomposition diagram according to the bottom of the chain guides shown in Figure 10 of the 3rd embodiment and 11; With
Figure 13 is the fragmentary cross-sectional view of the bottom of the chain guides shown in Fig. 3 according to the 3rd embodiment-5 of being seen of the hatching 13-13 along Figure 11.
The specific embodiment
To explain selected embodiment of the present invention referring to accompanying drawing.It will be apparent to those skilled in the art that by present disclosure the hereinafter detailed description that embodiments of the invention are provided just is not restriction purpose of the present invention for purpose of explanation, the present invention is limited by claims and its equivalent.
At first, referring to Fig. 1, it has illustrated the rear portion that the cycle frame 10 of rear derailleur 12 is installed according to preferred embodiment.The back vent of cycle frame 10 or Vee formation have backgear assembly (flywheel (cassette)), and this assembly has via rear-wheel hub (not shown) and is rotatably connected to a plurality of backgears or sprocket wheel RS on it.Chain C is received in back sprocket wheel RS and goes up and can be operably connected in a usual manner one group of front gear or sprocket wheel (not shown) and be used in a usual manner transmitting desirable rotary torque to the trailing wheel of bicycle.Rear derailleur 12 is connected to rear derailleur gearshift (not shown) in a usual manner via back gear shift line or gear shift cable 14.More specifically, rear derailleur 12 is illustrated as (the low-normal type) of inverse type, and it is designed to usually inside bias voltage makes chain C be positioned usually on penetralia (maximum) gear or the sprocket wheel RS.Therefore, when the rider activated the rear derailleur gearshift with pulling cable 14, rear derailleur 12 outside mobile chain C were to mesh next littler gear.On the other hand, when the rider activated rear derailleur gearshift (not shown) with release cable 14, rear derailleur 12 moved inward chain C to mesh next more big gear wheel.But it will be apparent to those skilled in the art that by present disclosure rear derailleur 12 can be (the top-normal type) of forward formula if need and/or requirement.
As in Fig. 1 as can be seen, rear derailleur 12 constitutes bicycle assembly parts, it consists essentially of base component 20, movable part 22, connecting rod assembly 24, chain guides 26 and main biasing member 28.Base component 20 is attached to pivotly in a usual manner on the cycle frame 10 by B axle 32 and moves to carry out limited pivot around B axis (being labeled as B among Fig. 2).Though rear derailleur 12 is illustrated as mechanically operated (cable break) parts, but it is apparent for those skilled in the art by present disclosure, chain guides 26 also can be used for other type and dials the chain device, dials chain device, dynamo-electric chain device or pneumatic group of chain device dialled such as motor-driven/electricity.Thereby connecting rod assembly is only used for making a kind of form of the travel mechanism that movable part 22 and chain guides 26 move with respect to base component 20.
As shown in Figure 2, chain guides 26 has outside or first guide plate 31, inside or second guide plate 32, jockey sprocket or pulley 33 and idler sprocket or pulley 34 basically.First and second guide plates 31 and 32 are mainly made by non-metallic material.Preferably, first and second guide plates 31 and 32 are made by carbon fibre reiforced plastic.Leading sheave 33 can be rotatably set between the upper end of first and second guide plates 31 and 32.Tension pulley block 34 can be rotatably set between the lower end of first and second guide plates 31 and 32.First and second guide plates 31 and 32 are linked together by first and second threaded fastenerss 35 and 36 respectively, and first and second threaded fastenerss 35 and 36 are separately positioned on the rotation axis place of leading sheave 33 and tension pulley block 34.Leading sheave 33 and tension pulley block 34 engage chain C in a usual manner.
Shown in Fig. 3-6, first and second guide plates 31 and 32 also link together releasedly by exempting from tool connection 40, exempt from tool connection 40 and are arranged near the peripheral edge of tension pulley block 34.Usually, two positions of guide plate outside two pulley center positions are not connected to each other directly.Exempt from tool connection 40 and improve the rigidity of (increase) first and second guide plates 31 and 32, first and second guide plates 31 and 32 are preferably non-metal board (preferably being made by the carbon fiber reinforced plastic material).
The attaching parts between two guide plates " exempted from tool connection " and refer in term as used herein, and described attaching parts uses during by bike and keeps when dialling the chain device connecting securely.In other words, the screw thread that hand is tightened (screw) attaching parts is not " exempting from tool connection ", because the threaded connector tightened of going smoothly is unclamped and no longer two guide plates are firmly held in together dialling normal vibration meeting that chain device operating period takes place.Refer at the attaching parts that can repeatedly link together and repeat under the situation of significantly not damaging attaching parts or want of repair attaching parts between two guide plates of stack-mounted in order to the term " releasedly " of modifying term " connection " or other relevant bonded assembly similar terms as used herein.
The tool connection 40 of exempting from of this embodiment is substantially included in opening 41 that forms in first guide plate 31 and the transom 42 that is fixed to second guide plate 32.The opening 41 that forms in first guide plate 31 is elongated slots, described groove from the first wide end when extend the second narrow end, the narrowed width of described groove.This exempts from tool connection 40 also is to connect attaching parts fast, because first and second guide plates 31 can be connected with moving of relatively small amount by exempting from tool connection 40 fast with 32.
Particularly, as illustrated in Figures 5 and 6, the opening 41 that forms in first guide plate 31 comprises the attaching/detaching part 41a at the place, the first wide end that is arranged on opening 41 and is arranged on the retaining part 41b at the place, the second narrow end of opening 41.As what see in the upper view of Fig. 6, attaching/detaching part 41a is sized to be convenient to insert and dismounting transom 42.Thereby, constitute first orientation in the position of first and second guide plates 31 shown in the upper view of Fig. 6 and 32, in first orientation, the transom 42 that is fixed to second guide plate 32 can easily insert the attaching/detaching part 41a of opening 41 and shift out from attaching/detaching part 41a.Preferably, attaching/detaching part 41a has first lateral dimension, when first and second guide plates 31 and 32 were in first orientation, described first lateral dimension allowed easily to insert transom 42 by moving axially of transom 42 and shift out transom 42.
As what see in the lower view of Fig. 6, retaining part 41b is sized to when chain guides 26 is in the state that assembles, and prevents that transom 42 from axially shifting out from the retaining part 41b of opening 41.Thereby, constitute second orientation in the position of first and second guide plates 31 shown in the lower view of Fig. 6 and 32, in second orientation, the transom 42 that is fixed to second guide plate 32 is prevented from axially shifting out from the retaining part 41b of opening 41.。Preferably, retaining part 41b has second lateral dimension, and when first and second guide plates 31 and 32 were in second orientation, described second lateral dimension prevented from by moving axially of transom 42 the retaining part 41b of transom 42 from opening 41 to be shifted out.
As shown in Figure 5, the transom 42 of this embodiment is forms of metallic pin, is fixed on second guide plate 32 and is releasably connected to first guide plate 31.In other words, in this embodiment, transom 42 is the individual members that are fixed to second guide plate 32.Transom 42 can wait by riveted joint and permanently be fixed to second guide plate 32.Alternatively, transom 42 can be fixed to second guide plate 32 releasedly by being threaded etc.Transom 42 is preferably made by hard rigid material, as lightweight metal material.Thereby in this embodiment, transom 42 is preferably made by the material different with second guide plate 32.
Except improving the rigidity between first and second guide plates 31 and 32, transom 42 is also as chain slip-off preventing member.As shown in Figure 5, the transom 42 of this embodiment consists essentially of liner part 42a, width reduces part 42b and width augmenting portion 42c.The transom 42 of this embodiment also comprises the fixed part (not shown), and described fixed part is fixed in the hole of second guide plate 32.The fixed part (not shown) can be out of shape to be riveted on second guide plate 32, maybe can be threaded onto in the hole of second guide plate 32.
Width reduces the attachment part of part 42b and width augmenting portion 42c formation transom 42, and when chain guides 26 was assembled fully, described attachment part remained in the opening 41 that forms in first guide plate 31 releasedly.When first and second guide plates 31 and 32 relative to each other were in first orientation, the attachment part of transom 42 can freely be inserted in the attaching/detaching part 41a of the opening 41 that forms in first guide plate 31 and can shift out from attaching/detaching part 41a.And when first and second guide plates 31 and 32 were in second orientation, the attachment part of transom 42 remained among the retaining part 41b of the opening 41 that forms in first guide plate 31.
Under any circumstance, liner part 42a is arranged between the inward faces of first and second guide plates 31 and 32, thereby prevents that first and second guide plates 31 and 32 are towards moving each other.In other words, liner part 42a and first and second guide plates 31 contact with 32 inward faces.
When chain guides 26 was in the state that assembles, first guide plate 31 was arranged in width and reduces part 42b.In other words, width reduces part 42b sizing and is arranged in and admits first guide plate 31 when chain guides 26 is assembled fully.In this embodiment, width minimizing part 42b is formed by the annular groove between liner part 42a and the width augmenting portion 42c.Thereby during the consolidation of chain guides 26, width reduces part 42b provides moving in the attachment part of transom 42 opening 41 that (that is, width reduces part 42b and width augmenting portion 42c) forms in first guide plate 31.Width reduces the width (diameter) of part 42b and equates with the width (diameter) of the retaining part 41b of the opening 41 that forms in first guide plate 31.
Width augmenting portion 42c is arranged on the outward surface of first guide plate 31, and with when chain guides 26 is in the state that assembles, the attachment part of transom 42 is prevented from axially shifting out from the opening 41 that forms first guide plate 31.In other words, when chain guides 26 was assembled fully, width augmenting portion 42c contacted with the outside face of first guide plate 31.Particularly, width augmenting portion 42c has the bigger width (diameter) than width minimizing part 42b.Thereby, retaining part 41b and width augmenting portion 42c are sized to when first and second guide plates 31 and 32 are in second orientation shown in the bottom of Fig. 6, and the attachment part of transom 42 is remained in the retaining part 41b of the opening 31 that forms in first guide plate 31.The width (diameter) of width augmenting portion 42c equals or is slightly smaller than the width (diameter) of the attaching/detaching part 41a of the opening 31 that forms in first guide plate 31.This allows the attachment part (that is, width reduces part 42b and width augmenting portion 42c) of transom 42 to be inserted in the attaching/detaching part 41a of the opening 41 that forms in first guide plate 31 and shifts out from attaching/detaching part 41a.
At chain guides 26 assembly process, first and second guide plates 31 and 32 at first link together by exempting from tool connection 40, and are as discussed above such.Then, leading sheave 33 and tension pulley block 34 insert between first and second guide plates 31 and 32.At this moment, leading sheave 33 and tension pulley block 34 are attached to first and second guide plates 31 and 32 by first and second threaded fastenerss 35 and 36.Thereby first and second guide plates 31 and 32 tighten together at three points.
With reference now to Fig. 7-9,, part shows the modification chain guides 126 according to second embodiment.The chain guides 26 that the modification chain guides 126 of this second embodiment is designed to replace first embodiment is used on the rear derailleur 12 of first embodiment.And modification chain guides 126 is via fastener 35 and 36 rotatably support guide pulley 33 and tension pulley block 34 in the same manner as in the first embodiment.Unique difference between first and second embodiment is as the tool connection of exempting between first and second guide plates of hereinafter discussing.In view of the similarity between first and second embodiment, for for simplicity, saved the explanation of second embodiment part identical with the part of first embodiment.
In this embodiment, modification chain guides 126 has guide plate 131 and 132, and guide plate 131 and 132 is via fastener 35 and 36 rotatably support guide pulley 33 and tension pulley block 34.Similar with first embodiment, guide plate 131 and 132 also links together releasedly by exempting from tool connection 140, exempts from tool connection 140 and is arranged near the peripheral edge of tension pulley block 34. Guide plate 131 and 132 is mainly made by non-metallic material.Preferably, guide plate 131 and 132 is made by carbon fibre reiforced plastic.
The tool connection 140 of exempting from of this embodiment is substantially included in opening 141 that forms in the guide plate 131 and the transom 142 that is fixed to guide plate 132.The opening 141 that forms in guide plate 131 is grooves, described groove from the first wide end when extend the second narrow end, the narrowed width of described groove.Particularly, the opening 141 that forms in guide plate 131 comprises the attaching/detaching part 141a at the place, the first wide end that is arranged on opening 141 and is arranged on the retaining part 141b at the place, the second narrow end of opening 141.The width that the transom 142 of this embodiment consists essentially of liner part 142a, formed by a pair of recess reduces part 142b and width augmenting portion 142c.In this embodiment, transom 142 forms an integrated support structure with guide plate 132 integral body.At this, attachment part reduces part 142b by width and width augmenting portion 142c forms, to limit T shape structure.When chain guides 26 was in the state that assembles, guide plate 131 was positioned at by width and reduces the recess that part 142b limits.Guide plate 131 is identical with first embodiment with 132 basic consolidation.
With reference now to Figure 10-13,, part shows the modification chain guides 226 according to the 3rd embodiment.The chain guides 26 that the modification chain guides 226 of the 3rd embodiment is designed to replace first embodiment is used on the rear derailleur 12 of first embodiment.And modification chain guides 226 is via fastener 35 and 36 rotatably support guide pulley 33 and tension pulley block 34 in the same manner as in the first embodiment.Unique difference between the first and the 3rd embodiment is as the tool connection of exempting between first and second guide plates of hereinafter discussing.In view of the similarity between the first and the 3rd embodiment, for for simplicity, saved the explanation of the 3rd embodiment part identical with the part of first embodiment.
In this embodiment, modification chain guides 226 has guide plate 231 and 232, and guide plate 231 and 232 is via fastener 35 and 36 rotatably support guide pulley 33 and tension pulley block 34.Similar with first embodiment, guide plate 231 and 232 also links together releasedly by exempting from tool connection 240, exempts from tool connection 240 and is arranged near the peripheral edge of tension pulley block 34. Guide plate 231 and 232 is mainly made by non-metallic material.Preferably, guide plate 231 and 232 is made by carbon fibre reiforced plastic.
The tool connection 240 of exempting from of this embodiment is substantially included in opening 241 that forms in the guide plate 231 and the transom 242 that is fixed to guide plate 232.The opening 241 that forms in guide plate 231 comprises the attaching/detaching part 241a at the place, the first wide end that is arranged on opening 241 and is arranged on the retaining part 241b at the place, the second narrow end of opening 241 that retaining part 241b has narrower connecting portion 241c.The transom 242 of this embodiment consists essentially of liner part 242a, width reduces part 242b and width augmenting portion 242c.In this embodiment, transom 242 is fixed to guide plate 232 in the same manner as in the first embodiment.At this, attachment part reduces part 242b by width and width augmenting portion 242c forms.Guide plate 231 is identical with first embodiment with 232 basic consolidation, except transom 242 also must rotated guide plate 231 and 232 to finish the assembling after attaching/detaching part 241a slides into retaining part 241b.
The general explanation of term
When understanding scope of the present invention, term " comprises " and the expection of its derivative is an open-ended term as used herein, the existence of its regulation feature, element, parts, group, integral body and/or the step stated, but do not get rid of the existence of other feature of not stating, element, parts, group, integral body and/or step.The description of preamble also is applicable to the wording with similar meaning, such as term " comprise ", " having " and its derivative.And term " parts ", " portion's section ", " part ", " member " or " element " can have the double meaning of single parts or a plurality of parts when using with singulative.As be used in this article to describe following directional terminology of the present invention " forward, backward, the top, downwards, vertically, level, below and laterally " and any other similar directional terminology be meant be equipped with as described in those directions of bicycle of rear derailleur.As be used to describe with these terms of the present invention and should when its normal ride position uses, understand therefore, with respect to the bicycle of rear derailleur as described in being equipped with.At last, the degree term makes net result not have marked change such as " basically ", " approximately " and " being similar to " expression with the deviation of the reasonable amount of the term of modifying as used herein.
Though only selected selected embodiment that the present invention is described, but it is apparent for those skilled in the art by present disclosure, not departing under the situation of scope of the present invention as defined by the appended claims, can make variations and modifications to the present invention.And, the description that preamble according to an embodiment of the invention is provided just for purpose of explanation, rather than for restriction purpose of the present invention, the present invention is by claims and the restriction of its equipollent.
Claims (26)
1. bicycle derailleur comprises:
Base component;
Movable part, described movable part is the support chains guides pivotly; With
Travel mechanism, described travel mechanism is connected between described base component and the movable part, makes described movable part to move with respect to described base component,
Described chain guides comprises first guide plate, second guide plate, can be rotatably set in the leading sheave between described first and second guide plates and can be rotatably set in tension pulley block between described first and second guide plates, and described first and second guide plates link together releasedly by exempting from tool connection.
2. bicycle derailleur according to claim 1, wherein,
The described tool connection of exempting from is included in opening that forms in described first guide plate and the transom that is fixed on described second guide plate, described transom has attachment part, when described first and second guide plates relative to each other are in first orientation, described attachment part can freely be inserted in the opening that forms in first guide plate and can shift out from described opening, when first and second guide plates were in second orientation different with described first orientation, described attachment part remained in the opening that forms in first guide plate.
3. bicycle derailleur according to claim 2, wherein,
The opening that forms in first guide plate comprises attaching/detaching partial sum retaining part, described attaching/detaching partly has first size, when being in first orientation, described attaching/detaching partly discharges the attachment part of described transom, described retaining part has second size, when being in second orientation, described retaining part keeps the attachment part of described transom.
4. bicycle derailleur according to claim 3, wherein,
Second size of the retaining part of described opening is less than the first size of the attaching/detaching part of described opening.
5. bicycle derailleur according to claim 2, wherein,
The opening that forms in first guide plate is a groove, and described groove narrows down at width to second end from first end, and when the chain guides was in the state that assembles, the attachment part of described transom was positioned at the second end place of described groove.
6. bicycle derailleur according to claim 2, wherein,
Described transom also comprises the liner part between the inward faces that is arranged on described first and second guide plates, and
The attachment part of described transom has the width augmenting portion and width reduces part, the width augmenting portion is arranged on the outward surface of first guide plate, with when the chain guides is in the state that assembles, prevent described attachment part from the opening shaft that first guide plate, forms to shifting out, described width reduces provides moving in the opening that described attachment part forms during the consolidation that part is arranged in the chain guides in first guide plate.
7. bicycle derailleur according to claim 6, wherein,
Described width reduces part and is formed by annular groove.
8. bicycle derailleur according to claim 6, wherein,
Described width reduces part and is formed by a pair of recess.
9. bicycle derailleur according to claim 8, wherein,
When described chain guides was in the state that assembles, described first guide plate was arranged in described recess.
10. bicycle derailleur according to claim 1, wherein,
Described first and second guide plates are also linked together by first and second fasteners, and described first and second fasteners are arranged on the rotation axis place of described leading sheave and described tension pulley block.
11. bicycle derailleur according to claim 1, wherein,
Described first and second guide plates are mainly made by non-metallic material.
12. bicycle derailleur according to claim 1, wherein,
Described non-metallic material comprises carbon fibre reiforced plastic.
13. bicycle derailleur according to claim 1, wherein,
The described tool connection of exempting from is arranged to peripheral edge near described tension pulley block.
14. a chain guides that is used for bicycle derailleur, described chain guides comprises:
First guide plate;
Second guide plate;
Can be rotatably set in the leading sheave between described first and second guide plates;
Can be rotatably set in the tension pulley block between described first and second guide plates; With
Exempt from tool connection, the described tool connection of exempting from links together described first and second guide plates releasedly with exempting from the instrument connection.
15. chain guides according to claim 14, wherein,
The described tool connection of exempting from is included in opening that forms in described first guide plate and the transom that is fixed on described second guide plate, described transom has attachment part, when described first and second guide plates relative to each other are in first orientation, described attachment part can freely be inserted in the opening that forms in first guide plate and can shift out from described opening, when first and second guide plates were in second orientation different with described first orientation, described attachment part remained in the opening that forms in first guide plate.
16. chain guides according to claim 15, wherein,
The opening that forms in first guide plate comprises attaching/detaching partial sum retaining part, described attaching/detaching partly has first size, when being in first orientation, described attaching/detaching partly discharges the attachment part of described transom, described retaining part has second size, when being in second orientation, described retaining part keeps the attachment part of described transom.
17. chain guides according to claim 16, wherein,
Second size of the retaining part of described opening is less than the first size of the attaching/detaching part of described opening.
18. chain guides according to claim 15, wherein,
The opening that forms in first guide plate is a groove, and described groove narrows down at width to second end from first end, and when the chain guides was in the state that assembles, the attachment part of described transom was positioned at the second end place of described groove.
19. chain guides according to claim 15, wherein,
Described transom also comprises the liner part between the inward faces that is arranged on described first and second guide plates, and
The attachment part of described transom has the width augmenting portion and width reduces part, the width augmenting portion is arranged on the outward surface of first guide plate, with when the chain guides is in the state that assembles, prevent described attachment part from the opening shaft that first guide plate, forms to shifting out, described width reduces provides moving in the opening that described attachment part forms during the consolidation that part is arranged in the chain guides in first guide plate.
20. chain guides according to claim 19, wherein,
Described width reduces part and is formed by annular groove.
21. chain guides according to claim 19, wherein,
Described width reduces part and is formed by a pair of recess.
22. chain guides according to claim 21, wherein,
When described chain guides was in the state that assembles, described first guide plate was arranged in described recess.
23. chain guides according to claim 14, wherein,
Described first and second guide plates are also linked together by first and second fasteners, and described first and second fasteners are arranged on the rotation axis place of described leading sheave and described tension pulley block.
24. chain guides according to claim 14, wherein,
Described first and second guide plates are mainly made by non-metallic material.
25. chain guides according to claim 14, wherein,
Described non-metallic material comprises carbon fibre reiforced plastic.
26. chain guides according to claim 14, wherein,
The described tool connection of exempting from is arranged to peripheral edge near described tension pulley block.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/249,023 US8105193B2 (en) | 2008-10-10 | 2008-10-10 | Bicycle rear derailleur |
| US12/249023 | 2008-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101723050A true CN101723050A (en) | 2010-06-09 |
Family
ID=42099384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910204655A Pending CN101723050A (en) | 2008-10-10 | 2009-10-10 | Bicycle rear derailleur |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8105193B2 (en) |
| CN (1) | CN101723050A (en) |
| DE (1) | DE102009048526B4 (en) |
| TW (1) | TWI382944B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538688A (en) * | 2012-07-09 | 2014-01-29 | Sram德国有限公司 | Rear transmission device and chain cable fairlead used for bicycle transmission system |
| CN107416117A (en) * | 2017-07-10 | 2017-12-01 | 宁波优升车业有限公司 | A kind of rear chiain-moving device of band gear chain block |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080153640A1 (en) * | 2006-12-26 | 2008-06-26 | Shimano Inc. | Bicycle rear derailleur |
| US10207772B2 (en) | 2011-01-28 | 2019-02-19 | Paha Designs, Llc | Gear transmission and derailleur system |
| US9327792B2 (en) | 2011-01-28 | 2016-05-03 | Paha Designs, Llc | Gear transmission and derailleur system |
| US9033833B2 (en) | 2011-01-28 | 2015-05-19 | Paha Designs, Llc | Gear transmission and derailleur system |
| US9290236B2 (en) * | 2013-02-28 | 2016-03-22 | Shimano Inc. | Bicycle front derailleur |
| US9005059B2 (en) * | 2013-03-27 | 2015-04-14 | Shimano Inc. | Rear derailleur |
| US9623932B2 (en) * | 2014-12-10 | 2017-04-18 | Shimano Inc. | Bicycle derailleur |
| US10137964B2 (en) * | 2016-01-15 | 2018-11-27 | Shimano Inc. | Electrical bicycle operating system, electrical derailleur, and electrical seatpost assembly |
| ITUA20161565A1 (en) * | 2016-03-11 | 2017-09-11 | Campagnolo Srl | Barbell for a bicycle change |
| US11319021B2 (en) * | 2017-08-23 | 2022-05-03 | Shimano Inc. | Bicycle rear derailleur |
| TWI725239B (en) * | 2017-09-29 | 2021-04-21 | 日商島野股份有限公司 | Bicycle derailleur |
| US11077916B2 (en) * | 2017-10-27 | 2021-08-03 | Shimano Inc. | Bicycle chain guide assembly |
| DE102018112916A1 (en) * | 2018-05-30 | 2019-12-05 | Shimano Inc. | Rear bicycle derailleur |
| US11148755B2 (en) * | 2018-07-13 | 2021-10-19 | Shimano Inc. | Bicycle derailleur |
| US11906108B1 (en) * | 2022-07-29 | 2024-02-20 | Deere & Company | Belt trap with integrated tensioner |
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| US3406433A (en) * | 1967-01-05 | 1968-10-22 | Ford Motor Co | Seat belt coupling device |
| US5836844A (en) * | 1997-05-15 | 1998-11-17 | Shimano Inc. | Rear derailleur for a bicycle |
| CN1903653A (en) * | 2005-07-28 | 2007-01-31 | 株式会社岛野 | Bicycle rear derailleur |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2520693B1 (en) * | 1982-02-03 | 1990-01-12 | Simplex Ets | ROLLER CHAIN GUIDE FOR CHANGING THE REAR SPEED OF CYCLES AND SIMILAR VEHICLES |
| ITTO20001124A1 (en) * | 2000-12-01 | 2002-06-01 | Campagnolo Srl | ROCKER GROUP FOR THE REAR DERAILLEUR OF A BICYCLE. |
| CN1329241C (en) * | 2002-03-08 | 2007-08-01 | 株式会社岛野 | Rear chain-moving device for bicycle |
| JP3708515B2 (en) * | 2002-10-30 | 2005-10-19 | 株式会社シマノ | Bicycle rear derailleur |
| US7527571B2 (en) * | 2004-12-20 | 2009-05-05 | Shimano Inc. | Rear derailleur for bicycle |
| US20080153640A1 (en) * | 2006-12-26 | 2008-06-26 | Shimano Inc. | Bicycle rear derailleur |
-
2008
- 2008-10-10 US US12/249,023 patent/US8105193B2/en not_active Expired - Fee Related
-
2009
- 2009-02-26 TW TW098106208A patent/TWI382944B/en not_active IP Right Cessation
- 2009-10-07 DE DE102009048526.0A patent/DE102009048526B4/en not_active Expired - Fee Related
- 2009-10-10 CN CN200910204655A patent/CN101723050A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3406433A (en) * | 1967-01-05 | 1968-10-22 | Ford Motor Co | Seat belt coupling device |
| US5836844A (en) * | 1997-05-15 | 1998-11-17 | Shimano Inc. | Rear derailleur for a bicycle |
| CN1903653A (en) * | 2005-07-28 | 2007-01-31 | 株式会社岛野 | Bicycle rear derailleur |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538688A (en) * | 2012-07-09 | 2014-01-29 | Sram德国有限公司 | Rear transmission device and chain cable fairlead used for bicycle transmission system |
| CN103538688B (en) * | 2012-07-09 | 2017-05-03 | Sram德国有限公司 | Rear transmission device and chain cable fairlead used for bicycle transmission system |
| CN107416117A (en) * | 2017-07-10 | 2017-12-01 | 宁波优升车业有限公司 | A kind of rear chiain-moving device of band gear chain block |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI382944B (en) | 2013-01-21 |
| US20100093472A1 (en) | 2010-04-15 |
| TW201014748A (en) | 2010-04-16 |
| US8105193B2 (en) | 2012-01-31 |
| DE102009048526A1 (en) | 2010-06-10 |
| DE102009048526B4 (en) | 2016-07-07 |
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| PB01 | Publication | ||
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Application publication date: 20100609 |